My dogs , I'd bring two usually if out for the day , but never be to ground or run a earth together and certainly don't egg each other on, have and would drag me to a earth the either know there area and keen but after that be only mad pulling to it if real hot scent or one most likely in there, the won't budge and no coming off , unless some else can happen unknown, no one knows everything. Had big choc dog used do good and ways but had bit of bad trait after time and tally of coming out or working ,hunting ditch off , and for mistake to